Supply and Demand. Supply. As the price of a good or service that producers are willing and able to offer for sale during a certain period of time rises (or falls), the quantity of that good or service supplied rises (or falls). . Demand.
Supply and Demand
How do these videos show the relationship between supply and demand?
What is the relationship between producers and consumers?
Prices are used in the market to help producers and consumers communicate with each other.